45 results about "Ribbon cable" patented technology

The invention relates to an anti-ant large-core-number fiber ribbon cable comprising a cable core and an outer sheath. The cable core includes loose tubes; and fiber ribbons are sleeved inside the loose tubes. The outer sheath is an outer nylon sheath; and a non-metallic reinforcement layer is arranged between the outer sheath and the cable core. According to the anti-ant large-core-number fiber ribbon cable provided by the invention, with the outer nylon sheath, ants can not bite the sheath, so that the damages on the optical cable by ant biting in a pipe at an area with a serious anti problem are prevented, the normal state of the cable is ensured, and the application region of the cable is extended. The cable based on a simple and reasonable structure has advantages of small cable diameter, high fiber density, large fiber capacity, and low duty ratio and can be laid in a pipe conveniently; and the bending performance is good. During branched connection, 4 to 24 fibers can be melted once, so that the construction time is saved and the manpower cost is lowered, and the construction efficiency is improved. On the basis of the full drying type dielectric structure, branched connection is realized conveniently and usage becomes convenient.

The utility model discloses a CT (computed tomography) device capable of adjusting irradiation measurement according to local weight distribution. The CT device comprises a scanning bed and a scanning device. The scanning bed comprises a bed frame and a bed board, and the bed board is slidably connected to the bed frame and can go deep into and out of the scanning cavity of the scanning device in the Z direction. The bed frame is designed to be of a supporting, lifting and telescopic structure for the bed board. The bed plate comprises a supporting plate and a sensor layer, and the supporting plate is designed to be of a supporting structure of the bed plate and is slidably connected with the bed frame. The sensor layer comprises a base layer, a plurality of pressure sensors and a sensor interface, the base layer is designed as a supporting and insulating structure of the pressure sensors, the plurality of pressure sensors are distributed on the base layer in an array shape, each pressure sensor is connected to the sensor interface through a flat cable, and the flat cable is arranged along the base layer. According to the CT equipment provided by the utility model, the pressure distribution data of the scanned object on the scanning bed is obtained through the pressure sensor arranged on the scanning bed, and the irradiation dose of each scanned fault is optimized according to the weight distribution characteristics.

This invention belongs to the field of headphone technology, and specifically relates to a quick-release structure for a headphone battery with elastic contact. It includes: a sound-generating unit with a mounting groove containing a receiver, and at least two inductive elements; and a battery unit with a conductive plate located inside the battery unit. By placing the conductive plate inside the battery unit, leakage caused by contact between the battery electrodes and the external environment is prevented. When the battery unit needs to be placed on the sound-generating unit, the receiver contacts the conductive plate, thereby establishing circuit continuity. This allows for easy assembly and disassembly of the battery unit and the headphone's sound-generating unit. During assembly, simply placing the battery unit on the sound-generating unit allows for automatic alignment and circuit connection through physical contact, eliminating the need for soldering, ribbon cables, or connectors, significantly reducing the difficulty and cost of automated assembly.

This utility model discloses a tight-buffered optical cable stripper. It mainly solves the problems of easily breaking optical fibers, difficulty in stripping, and low stripping efficiency when using existing ordinary wire strippers to strip the optical cable sheath. Its features include: a guide member (3) longitudinally located at the center of the upper end face of the clamp base (1); an optical cable insertion slot (4) longitudinally located at the lower end of the guide member (3); a strip-shaped hole (5) aligned with and communicating with the optical cable insertion slot (4) on the upper left end of the guide member (3); and a longitudinal cutter (6) and a transverse cutter (7) on the clamp handle (2). This utility model features a longitudinal cutter, which can cut the sheath of the stripped section longitudinally, effectively reducing the bonding force between the sheath and the optical fiber. The sheath is easily stripped without damaging the optical fiber. The circumferential cutting and longitudinal cutting of the outer sheath of the optical fiber are completed in one operation. It has a simple structure, is easy to use, and has high stripping efficiency.

This application discloses a display module and a display device. The display module includes: a display panel, including a flexible substrate; a flexible ribbon cable; and a circuit board assembly located on the backlight side of the display panel. The circuit board assembly includes a substrate layer and a device layer. The substrate layer includes at least one planar device area and a bending area. The substrate layer also includes a body portion and a reinforcing structure. The reinforcing structure is located in the planar device area. The device layer includes circuit elements and circuit traces. The circuit elements are located in the planar device area, and the circuit traces are located in the bending area. At least one planar device area in the substrate layer is parallel to the functional plane, and at least part of the display panel, the flexible ribbon cable, and the bending area in the substrate layer are not parallel to the functional plane. The display module provided in this application uses a body portion in conjunction with a reinforcing structure in the circuit board assembly. By bending part of the body portion and part of the circuit traces through the bending area, a large curvature bending can be achieved, and the performance can remain stable for a long time, making it less prone to drive signal failure.

This application relates to the technical field of keyboard keycap testing equipment, and provides a keyboard keycap testing fixture, including: a main body base, a support platform on the main body base, and a slide rail extending along a first direction on one side of the support platform; at least two clamping mechanisms slidably connected to the slide rail, with a ribbon cable connection platform on the side of the clamping mechanism near the support platform; a limiting mechanism for abutting against the side wall of the keyboard keycap to be tested; and a lifting platform on the clamping mechanism, which moves up and down along the vertical direction of the ribbon cable connection platform, with a pin contact plate on the lifting platform, and a plurality of ribbon cable contact pins arranged on the pin contact plate. Before testing the keyboard keycap, the position of the limiting mechanism in the X-axis and Y-axis directions of the support platform is adjusted, and the position of the lifting platform is adjusted to match the keyboard keycap model and size. During subsequent testing, the keyboard keycap only needs to be placed on the adjusted limiting point. This can accommodate keyboard keycaps of different sizes and models, improving the flexibility of the keyboard keycap testing fixture.

This application relates to an automatic placement module and automatic placement equipment for ribbon cables. The automatic placement module includes a connection module and a control module. The control module is disposed within the connection module and includes multiple linear drive components and a number of pickup components equal to the number of linear drive components. The pickup components are drively connected to the linear drive components. The multiple linear drive components are arranged in multiple directions on the connection module. The pickup components are used to pick up the ribbon cables, and each pickup component can move a preset distance in each direction under the drive of the linear drive components. The automatic placement module and automatic placement equipment of this application can be used for the assembly and bonding of multi-branch ribbon cables in electronic products, thereby reducing the consumption of human resources.

A fiber bundle ferrule manufacturing method comprising: removing a coating of a ribbon cable in which a plurality of optical fibers have been fixed; and inserting and fixing at least a portion of the ribbon cable into a ferrule in a state in which said portion has been wound into a cylindrical shape.

The utility model discloses a computer flat cable automatic detection device, and relates to the technical field of computer detection equipment. The utility model discloses an automatic detection device for a computer flat cable, and the device comprises a detection platform which is used for installing a to-be-detected computer; the number of the supporting columns is four, the four supporting columns are distributed on the outer edge of the detection table in a rectangular array mode, and a mounting table is arranged at the free ends of the supporting columns; the detection assembly is installed on the installation table, the detection assembly is right opposite to the table top of the detection table, and the detection assembly is used for detecting a to-be-detected computer; wherein a detection channel is arranged between every two adjacent supporting columns.

This utility model provides an LED display screen with a novel connection method for a power control box, including a bracket, a power control box, and four LED unit screens. The power control box is located on the back of the bracket, and four electrical plugs are distributed on both sides of the power control box. The four LED unit screens are assembled on the front of the bracket, and each of the four LED unit screens has an electrical socket on its back. The four electrical plugs on both sides of the power control box are respectively plugged into the electrical sockets on the back of the four LED unit screens. In this utility model, the power control box is connected to the electrical sockets on the back of the four LED unit screens through four electrical plugs. Compared with the prior art where the power control box is connected to each LED unit screen one by one using multiple ribbon cables, the electrical plugs and sockets will not crack due to exposure to sunlight, thus having the advantage of aging resistance, thereby enhancing the stability of the connection and ensuring the stability of the entire LED display screen.

This invention discloses an automatic rotary film-peeling mechanism, comprising: a side plate, a slide rail, a slide block, a first linear motion mechanism, a rotating mechanism, a first clamping mechanism, a second linear motion mechanism, and an elastic roller. The slide rail is vertically fixed to the side plate, and the slide block is slidably connected to the slide rail. A connecting plate is fixed to the side of the side plate. The first linear motion mechanism is fixed to the front of the connecting plate, and the second linear motion mechanism is fixed to the back of the connecting plate. The moving end of the first linear motion mechanism is connected to the slide block. The rotating mechanism is fixed to the top of the slide block, and the first clamping mechanism is fixed to the rotating end of the rotating mechanism. A first workpiece is fixed to the end of a robotic arm, and a ribbon cable is provided on the first workpiece. The first clamping mechanism can clamp the first film attached to the first workpiece. The rotating mechanism and the first clamping mechanism can move downward under the drive of the first linear motion mechanism and detach the first film from the first workpiece. This invention has a high degree of automation.

A sensor having multiple sensor elements that sense six degrees of freedom of force on a touch layer. The sensor includes a computer that sends prompt signals to the sensor elements and reconstructs the six degrees of freedom of force on the layer from the data signals received from the touch sense elements. A method of sensing force. A robotic hand with fingers equipped with sensors at the ends. Alternatively, the sensor includes a ribbon cable.

This disclosure relates to a connector, a ribbon cable, a connector assembly, and an electronic device. The connector includes a body, a signal terminal, and a grounding bracket. The body has an inner cavity with an opening on one side along a first direction. The signal terminal is disposed in the body and at least partially located within the inner cavity. The grounding bracket is disposed in the body and includes a bracket body, a grounding terminal, and a soldering foot arm. The bracket body is located above the opening. One end of the grounding terminal is connected to the bracket body, and the other end extends downward. One end of the soldering foot arm is connected to the bracket body, and the other end extends to the bottom of the body and is provided with soldering feet. The connector is used to connect a ribbon cable. The ribbon cable has a connecting end. The top and bottom surfaces of the ribbon cable, excluding the connecting end, are provided with shielding films. The top surface of the connecting end is provided with a metal grounding film, and the bottom surface of the ribbon cable is provided with conductive terminals. The conductive terminals partially extend out of the shielding film and are located at the connecting end. When the connector connects the ribbon cable, the other end of the grounding terminal contacts the metal grounding film, and the signal terminal contacts the conductive terminal.

The utility model relates to a luminous shoelace and a shoe with the luminous shoelace, the luminous shoelace comprises a strip-shaped piece coupled with a shoelace body and a luminous device arranged between the shoelace body and the strip-shaped piece, and the luminous device comprises a circuit board module and a battery. The plurality of predetermined colored light emitting diodes are electrically coupled with the circuit board module and the battery and comprise a first predetermined colored light emitting diode and a second predetermined colored light emitting diode; a sensor detects an external force to generate a control signal; the control chip is arranged on the circuit board module, receives a control signal and drives the light-emitting diodes with the preset colored light to emit light in a light-emitting mode, and the circuit board module is a flexible circuit board or a hard circuit board with a flexible flat cable; therefore, the flexible circuit board or the circuit board with the flexible flat cable is combined with the high polymer material, so that the lightweight design is realized, the overall volume is greatly reduced, the diversified requirements of different age groups and foot types on the size of the shoelace are met, and diversified light-emitting modes and practicability are provided.

This invention discloses a ribbon cable assembly device and a ribbon cable assembly method, relating to the field of automation. An upper camera module is configured to acquire first image information of the ribbon cable and a housing along a first direction and a second direction. A side camera module is configured to acquire second image information of the ribbon cable and the housing along a third direction and a second direction. A robotic arm module can pick up the ribbon cable and load it into the housing based on the first and second image information. A sorting module can adjust the relative position of the ribbon cable and the housing based on the second image information. Therefore, by enabling the robotic arm module to pick up the ribbon cable and load it into the housing based on the first and second image information, and by enabling the sorting module to adjust the relative position of the ribbon cable and the housing based on the second image information, automatic loading of the ribbon cable into the housing can be achieved, saving significant labor costs, increasing the yield rate, and avoiding the inefficiency of manual assembly, thus improving production efficiency.

This utility model relates to the field of electrical connector manufacturing technology, and in particular to a ribbon cable signal transmission assembly, which is composed of an FPC electrical connector and an FFC ribbon cable. Regarding the FPC electrical connector, multiple mechanical terminals cooperate to elastically apply pressure and limit the flip-type pressure member. When the FFC ribbon cable is inserted into the ribbon cable insertion slot and the flip-type pressure member is locked, the FFC ribbon cable is elastically pressed by multiple terminals. A front locking member and a rear locking member cooperate to lock the flip-type pressure member. The shielding metal member is grounded, and after assembly, each of the mechanical terminals makes contact with the shielding metal member and is electrically connected. Thus, on the one hand, the electromagnetic shielding performance of the FPC electrical connector is effectively improved; on the other hand, the step of soldering the mechanical terminals to the PCB board is eliminated, and the degree of freedom of their translational movement is limited by the shielding metal member, ensuring a more reliable electrical connection between the mechanical terminals and the shielding metal member.

1. Name of the product in this design: Insulating cap for metal ribbon cable. 2. Application of this design: This insulating cap is suitable for installation on the edge or corner of ribbon cables or busbars made of soft metals such as copper, aluminum, or silver, to provide insulation and protection. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

This application provides a flat ribbon cable for use in a formation and capacity testing device, and the device itself. The flat ribbon cable includes a ribbon cable, mating terminals, an insulating film, and a shielding layer. The ribbon cable includes multiple parallel conductors, at least one end of which is connected to a device in the formation and capacity testing device. The mating terminals are connected to one end of each conductor in the ribbon cable, and the conductors are connected to the device in the formation and capacity testing device via the mating terminals. The insulating film is adhered to the upper and lower surfaces of the ribbon cable to cover it. The shielding layer covers the outer layer of the insulating film opposite to the ribbon cable. Using a flat ribbon cable can shorten equipment assembly time, reduce wiring space, and effectively shield against external electromagnetic interference, ensuring high accuracy of sampling data obtained using the flat ribbon cable.

The present application relates to a kind of portable strip optical cable stripping equipment, belong to optical communication engineering construction equipment technical field.The equipment aims at solving the problem of insufficient precision and vulnerable internal fiber damage due to reliance on manual experience in field stripping operation.The equipment, the tool adjusting mechanism and control module are integrated in the equipment body, and a remote collaborative control system connected by wireless communication module between remote management center and equipment is constructed.Remote management center queries and issues the accurate depth value and critical peeling force range of corresponding model from precision calibration parameter database according to the optical cable model identification code uploaded by the equipment.The device control module receives the instruction, and monitors the tool working load and cutting depth in real time during the stripping process.When the preset depth is reached, the micro-force protection mode is started, and the tool action is controlled by comparing the load and critical force range.The equipment is mainly used for fast, accurate and low-damage end stripping operation of strip optical cable.

This utility model discloses a VLF broadband antenna, belonging to the field of very low frequency electromagnetic field monitoring. It includes a first PCB board and a second PCB board arranged vertically opposite each other, with several conductive support components disposed between them. One of the PCB boards has an output port. Each conductive support component includes a bracket vertically disposed between the first and second PCB boards. Multiple sets of coils are disposed inside the bracket. The coils employ a double-shielded structure, and the coils used for detecting electric fields and those used for detecting magnetic fields are arranged perpendicularly to each other. The double-shielded structure includes a copper foil shielding layer and a metal bracket shielding layer. The coils use single-strand silver-plated ribbon cables. This VLF broadband antenna, by employing high-Q, low-loss coils combined with high-Q materials, can more accurately capture electromagnetic field signals, providing more effective data for backend data processing and meeting the requirements of high-precision monitoring.

This utility model discloses a three-color ribbon cable extrusion machine, relating to the field of ribbon cable production equipment. The three-color ribbon cable extrusion machine includes a feeding unit and an extrusion unit. The extrusion unit is connected to the outside of the feeding unit. The feeding unit includes a housing and a drive shaft. Feeding pipes are inserted into the inner side of the housing, and three sets of feeding pipes are provided. The drive shaft is inserted into the inner side of the feeding pipes. The extrusion unit includes an extrusion head and a connector. A wire-passing tube is provided inside the extrusion head, and three sets of wire-passing tubes are provided. A discharge pipe is connected to the outside of the extrusion head, and a bonding opening is provided inside the discharge pipe. The connector is connected to the outside of the extrusion head and is used to connect to the feeding unit. This three-color ribbon cable extrusion machine extrudes three colors of wire simultaneously, shortening the production cycle and significantly improving efficiency compared to traditional step-by-step bonding processes. The bonding opening inside the discharge pipe allows adjacent wires to adhere better during extrusion, preventing separation.

This application relates to the field of UV adhesive materials, and more specifically to a free radical cationic hybrid red UV adhesive for ribbon cable bonding and its preparation method. The free radical cationic hybrid red UV adhesive for ribbon cable bonding comprises the following raw materials: cationic UV-curable resin monomer, free radical resin, free radical monomer, cationic photoinitiator, free radical photoinitiator, coupling agent, thixotropic agent, reinforcing agent, and red pigment. The red UV adhesive finally obtained by this application not only combines the advantages of two UV curing systems to achieve low energy, complete curing and rapid curing in both light-shaded and thick-layer applications, but also maintains excellent storage stability and environmental aging resistance, significantly improving the overall performance of this type of UV adhesive and enhancing its application quality and service life.

The application discloses an optical fiber ribbon cable with loose tube optical units and a preparation method thereof. The optical fiber ribbon cable with loose tube optical units comprises a loose tube, a composite ribbon and an ointment arranged in the loose tube. The composite ribbon comprises an optical fiber ribbon and two protective ribbons. The optical fiber ribbon is in a spiral shape, and the optical fiber ribbon has a spiral inner side and a spiral outer side. The two protective ribbons are arranged on the spiral inner side and the spiral outer side of the optical fiber ribbon. The application adopts the protective ribbons with the same width as the optical fiber ribbon, so that the optical fiber ribbon in the loose tube is not directly in contact with the inner wall of the sleeve, the transmission direction and distribution of asymmetrically distributed stress are changed, better protection is provided, the edge fiber in the optical fiber ribbon matrix is prevented from being pressed by stress, the transmission loss difference between the edge fiber and the middle fiber is reduced, and the application is beneficial to reducing defective products and improving the compression resistance of the sleeve and the optical cable.

This application provides a lidar and a touch control system. The lidar includes: an outer casing assembly, a laser emitting assembly, a rotor assembly, a stator assembly, and a bottom cover assembly. The outer casing assembly includes: a housing. The laser emitting assembly includes: a laser emitting circuit board, a laser, and a laser emitting circuit board support frame; the laser and the laser emitting circuit board are electrically connected. The rotor assembly includes: a rotor, a emitting reflector bracket, a emitting reflector, a receiving reflector bracket, a receiving reflector, a laser emitting lens, a laser receiving lens, a rotating shaft, a light guide column, and a motor rotor. The stator assembly includes: a motor stator assembly and a receiving main control circuit board; the motor stator assembly and the receiving main control circuit board, and the laser emitting circuit board are electrically connected. The bottom cover assembly includes: a USB circuit board, a first ribbon cable interface soldered to the USB circuit board, a power interface, a USB connector, and a bottom cover fixedly connected to the USB circuit board; the receiving main control circuit board and the first ribbon cable interface on the USB circuit board are electrically connected.

The utility model relates to the technical field of scanners, and particularly discloses a quick replacement assembly of a scanning head of a slice scanner, which comprises a mounting seat, a butt joint block and a lens main body, the rear end of the butt joint block is fixedly connected with a connecting plate, an adjusting frame is fixedly mounted at the rear end of the butt joint block, a flat cable plug is slidably mounted in the adjusting frame, and the lens main body is fixedly mounted in the flat cable plug. Buttons are slidably mounted on the two sides of the outer wall of the mounting base, a clamping block is slidably mounted in the cavity, a sliding push plate is slidably mounted in the positioning groove, and a connecting plate can be limited and fixed in the positioning groove through clamping fit between the clamping block and the clamping groove. The butt-joint block is fixed on the surface of the mounting seat to mount and use the lens body, the button is pushed to release the limiting of the connecting plate, so that the lens body can be conveniently and quickly disassembled and replaced, the spring II can push the connecting plate without limiting out of the positioning groove, and the butt-joint block and the lens body can be conveniently pulled out and taken down.

This invention discloses a data storage device ribbon cable assembly, relating to the field of ribbon cable devices. It includes a mounting plate with a sealing strip on its surface, a fixing plate on its front side, a screw threaded to the inner wall of the fixing plate, a positioning block on the front side of the mounting plate, threaded heat dissipation holes and clearance holes on the front side of the mounting plate, a bundling ring at the front of the mounting plate, and a positioning bundling mechanism on the inner wall of the clearance holes. This invention facilitates installation by using a sealing strip that mates with the inner wall of the external surface; by using a screw, it secures the entire mounting plate; by using threaded heat dissipation holes, it facilitates heat dissipation; and by using a positioning bundling mechanism, it maintains the stability of the data cables and facilitates the bundling of multiple data cables. Through the above structure, it avoids obstruction of the RJ45 connector while maintaining the stability of the data cables and facilitating the bundling of multiple data cables.

This utility model discloses a BMU data acquisition device for an energy storage module, comprising a first battery module, a second battery module, a battery management unit, a first flexible circuit board, a second flexible circuit board, and a ribbon cable. The first and second battery modules are arranged along a first direction. The battery management unit is located at the end of one of the first and second battery modules away from the other. The first flexible circuit board is located on the top surface of one of the first and second battery modules and extends along the first direction, electrically connecting the battery module and the battery management unit. The second flexible circuit board is located on the top surface of the other of the first and second battery modules and extends along the first direction. The ribbon cable is located on the top surface of the first flexible circuit board and extends along the first direction, electrically connecting the second flexible circuit board and the battery management unit. The BMU data acquisition device for an energy storage module according to this utility model saves space and has a neat appearance.

This utility model relates to an AI smart glasses with a Type-C connector, comprising: a temple assembly including an upper shell and a lower shell, the lower shell having a receiving cavity, an interface at the end of the lower shell away from the frame, a first limiting rib in the receiving cavity forming a limiting mounting groove between the first limiting rib and the interface, a plurality of second limiting ribs in the upper shell facing the lower shell at the end of the upper shell near the first limiting rib, the lower shell and the upper shell being sealed together; a Type-C assembly including a Type-C female connector and a PCB board, the Type-C female connector being riveted or soldered to the PCB board, a sealing ring at the front end of the Type-C female connector, the front end of the Type-C female connector extending into the interface and the sealing ring sealingly engaging with the side wall of the interface, the end of the PCB board away from the interface abutting against the first limiting rib, the second limiting ribs abutting against the end of the Type-C female connector facing away from the interface; a battery disposed in the receiving cavity; and a main control circuit board disposed in the receiving cavity at the end away from the interface, the PCB board, battery and main control circuit board being electrically connected via a ribbon cable.

This utility model discloses a ribbon cable fault detection device, including a battery, a power switch, a start-end socket, a tail-end socket, and multiple indicator lights. The start-end plug and tail-end plug of the ribbon cable under test are respectively inserted into the start-end socket and tail-end socket. The wire cores of the ribbon cable under test are evenly divided into two groups. One end of each of the multiple indicator lights is connected to one end of the power switch through different wire cores of the first group, and the other end is connected to the negative terminal of the battery through different wire cores of the second group. All wire cores of the ribbon cable are connected in series in the power supply circuit of the indicator lights. The other end of the power switch is connected to the positive terminal of the battery. This utility model connects all wire cores of the ribbon cable in series in the power supply circuit of the indicator lights, and simultaneously detects multiple wire cores by observing the illumination of the indicator lights, which greatly improves the testing efficiency. Moreover, by twisting or other operations on the ribbon cable, it can quickly and accurately determine the fault of broken wires or poor contact, preventing the reuse of problematic ribbon cables and ensuring the safe operation of electrical equipment.

This utility model discloses a high-precision positioning device for terminal crimping, including a base, a base plate, a carrier, and a locking and positioning structure. The bottom of the base has a first vacuum adsorption chamber, and the top of the base has a through groove communicating with the first vacuum adsorption chamber. The base plate is fixedly connected to the bottom of the base. This utility model initially positions and fixes the FPC / FFC ribbon cable terminal in the contour positioning groove of the carrier. Then, by operating a vacuum generator and opening a solenoid valve, a vacuum is drawn into the first and second vacuum adsorption chambers, generating suction at the vacuum adsorption holes. This suction force is then used to adsorb and fix the FPC / FFC ribbon cable terminal in the contour positioning groove, ensuring the flatness of the FPC / FFC ribbon cable terminal at the crimping position and avoiding relative displacement of the FPC / FFC ribbon cable terminal during the clamping process of the clamping mechanism, which could cause problems such as ribbon cable crimping offset or abnormal length.