Telephone Handle Switch Eliminates Cradle for Flexible Placement
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional telephone designs with integrated cradles limit handle placement flexibility, require additional cables for separate cradles, increasing space and design complexity, and restrict user interaction due to fixed cradle positions.
Innovation Solution
A telephone set with a handle connected to a host via a signal transmission line, featuring a first switch on the handle and a second switch in the host to detect and send off-hook/on-hook signals, eliminating the need for a cradle and simplifying desktop layout by using a physical switch and a metal oxide semiconductor or comparison circuit for voltage detection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If an integrated cradle with off-hook/on-hook detection apparatus is used, then the telephone can detect handle placement state, but the handle placement is limited to a fixed position on the cradle
Solution Approach 1:
The patent extracts the off-hook/on-hook detection function from the cradle and relocates it to the handle itself through a switch mechanism. This allows the handle to autonomously detect its own placement state without requiring a fixed cradle position, thereby resolving the contradiction between reliable detection and placement flexibility.
Solution Approach 2:
The patent introduces a switch as an intermediary element between the handle and the host. This switch acts as a mediator that detects handle placement and transmits the state to the host, enabling flexible handle positioning while maintaining reliable off-hook/on-hook detection.
2Adaptability or versatility
If a separate cradle is used to connect handle and telephone, then the handle can be placed flexibly, but an additional cable is required which increases space and design complexity
Solution Approach 1:
The patent extracts the detection function from the cradle structure entirely, eliminating the need for a separate cradle with detection apparatus. The handle becomes self-sufficient with its own switch, removing the complex cable-and-cradle infrastructure while preserving placement flexibility.
Solution Approach 2:
The patent merges the off-hook/on-hook detection function directly into the handle unit itself. By integrating the switch within the handle, the system combines the handle's mobility advantage with built-in detection capability, eliminating the need for separate cradle and cable components.
3Adaptability or versatility
If a separate cradle with cable is used, then handle placement is flexible, but the desktop layout becomes more complex
Solution Approach 1:
The patent removes the cradle and cable components from the system entirely, extracting only the essential off-hook/on-hook detection function and embedding it in the handle. This simplification eliminates the physical clutter of cables and separate cradles, making desktop layout more straightforward while maintaining placement flexibility.
Data Source
Figure 1a
Figure 1b
Figure 2
AI summary
The present invention discloses a telephone set and an off-hook/on-hook method of a telephone set, and belongs to the field of communications devices. The telephone set includes a handle and a host, where the handle includes a first switch, and the host includes a second switch. According to the present invention, the first switch is added on the handle of the telephone set, the second switch is correspondingly added into the host of the telephone set, and a state of the first switch is used to control the second switch to send an off-hook/on-hook signal, so as to enable the telephone set to be off-hook/on-hook. Compared with a conventional fixed-line phone, the use of the handle is not limited by a position of a cradle, and even the cradle is not needed. In addition, because an off-hook/on-hook detection function is implemented by the first switch in combination with the second switch, the space occupied by the fixed-line phone is decreased, and desktop layout is simplified.