Wireless Headset Accessory for Hands-Free Wireline Telephone Operation
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Solution Overview
Problem
Conventional telephone headset systems require users to physically manipulate handsets to answer or end calls, making them vulnerable to accidents and consuming power to lift the handset, especially when used with horizontal corded phones.
Innovation Solution
A telephone accessory device with a pivotally connected platform and movable head insert that can be electrically controlled to actuate the hook switch of a wireline telephone, allowing hands-free operation by signaling from a wireless headset, thus eliminating the need for manual handset manipulation and reducing power consumption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a conventional lifter mechanism is used to lift the handset off-hook, then the phone can be answered hands-free, but the handset becomes vulnerable to accidents and the mechanism consumes significant power
Solution Approach 1:
The invention extracts the essential function of hook switch actuation from the entire handset lifting mechanism. Instead of lifting the whole handset, only the head portion with the movable head insert is used to depress the hook switch button, leaving the handset safely resting on the platform or base.
Solution Approach 2:
The device is segmented into distinct functional components: a platform for supporting the handset, a head portion for actuating the hook switch, and a movable head insert for depressing the button. This segmentation allows the hook switch actuation function to be separated from handset manipulation.
2Extent of automation
If a conventional lifter mechanism lifts the entire handset, then the hook switch can be actuated, but power consumption increases due to lifting the full weight
Solution Approach 1:
The invention extracts only the necessary mass (the lightweight head portion with movable head insert) required to actuate the hook switch, rather than lifting the entire heavy handset. This dramatically reduces the power consumption of the actuation mechanism.
Solution Approach 2:
The platform spring provides a counterbalancing force that supports the handset weight, eliminating the need for the motor to overcome the full weight of the handset during hook switch actuation. The motor only needs to move the lightweight head portion.
3Ease of operation
If the handset is suspended above the base during conversation, then hands-free operation is enabled, but the position creates safety vulnerabilities
Solution Approach 1:
The invention removes the handset from the suspended position after hook switch actuation. The handset remains safely supported on the platform or base while the lightweight head portion independently actuates the hook switch, enabling hands-free operation without compromising handset safety.
4Ease of operation
If a movable head insert is used to depress the hook switch, then precise control is achieved, but device complexity increases
Solution Approach 1:
The movable head insert is spring-loaded to automatically depress the hook switch button when positioned above it, and automatically retract when the handset is removed. This self-actuating mechanism reduces the need for complex control systems while maintaining precise actuation.
Data Source
AI summary
A telephone accessory device and system for facilitating communication between a wireless headset and wireline telephone. The telephone accessory device includes a device body configured to rest on top of a base of the corded telephone, a device platform connected to the base portion and configured to support a corded handset on a first surface, and a head portion disposed on a second surface of the device platform opposite the first surface. The system includes a wireless headset, a headset base wirelessly coupled to the wireless headset, and the telephone accessory device coupled through a control signal cable to the headset base unit. When the handset is resting on the first surface, in response to control signals from the wireless headset, the head portion is operable to reversibly depress and release a switch hook button of the cradle speaker recess while the device body and device platform remain stationary.