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Method and apparatus for transmitting at least one predetermined signal form to a spatially remote transmitting device

A technology of transmitting device and signal, applied in the field of equipment implementing the method and driver assistance system, to achieve the effect of saving cost

Active Publication Date: 2019-02-15
ROBERT BOSCH GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] Based on a constant maximum supply voltage UV1 of typically 8V max The use of, although the final stage can be designed relatively simply in the prior art, on the other hand, reducing to 8V is associated with continuous energy loss

Method used

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  • Method and apparatus for transmitting at least one predetermined signal form to a spatially remote transmitting device
  • Method and apparatus for transmitting at least one predetermined signal form to a spatially remote transmitting device
  • Method and apparatus for transmitting at least one predetermined signal form to a spatially remote transmitting device

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Embodiment Construction

[0038] in the attached figure 2 In , the battery voltage for powering the control device according to the invention for controlling a remote sensor and the supply voltage of the remote sensor are shown on the ordinate, and the time t is shown on the abscissa. attached figure 2 According to the first embodiment of the present invention, the corresponding figure 1 The supply voltage profile UV1(t) according to the prior art shown in is compared with the time-dependent supply voltage UV2(t) profile of the remote sensor during transmission of the signal form to be emitted via the sensor's supply line. Here, in the attached figure 2 Up to time t1 at which the signal form is started and from time t2 at which the signal form is terminated is indicated by a continuous line and between them by a dotted line the battery voltage UB(t), which fluctuates particularly sharply.

[0039] The battery pack voltage UB(t) is mostly time-dependent. Maximum battery pack voltage UB max The t...

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Abstract

A method is proposed for transmitting a predetermined signal form from a control device (2) to a spatially remote transmitting device (110) for transmitting at least one signal of a predetermined signal form, wherein The transmission of the predetermined signal form takes place via at least one power supply line (30, 40) of the transmitting device (110). In order to transmit the predetermined signal form, the voltage UV(t) on the supply line (30, 40) is changed by means of the control device (2) to the maximum supply voltage (UV max (t)) part. Furthermore, the invention provides a device for carrying out the method and a driver assistance system having the device according to the invention.

Description

technical field [0001] The invention relates to a method for transmitting at least one predetermined signal form from a control device to a spatially remote transmitting device provided for transmitting at least one signal of a predetermined signal form, wherein the predetermined signal form is transmitted by transmitting At least one power supply line of the device transmits. The invention also relates to a device for carrying out the method. Furthermore, the invention also relates to a driver assistance system having a device according to the invention. Background technique [0002] Systems in the ultrasonic range, in particular pulsed measuring systems, are commonly used today for the detection of the acoustic environment of vehicles. Acoustic pulses at approximately 50 kHz are typically emitted by the electroacoustic transducer every 10 microseconds to 300 microseconds. The object distance in space is derived from the transit times of the acoustic pulses received by t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01S7/524G01S15/93H04B3/54H04B14/02G01S15/931
CPCG01S7/003G01S7/524G01S15/931H04B3/548H04B2203/547
Inventor M·卡尔
Owner ROBERT BOSCH GMBH
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