Retrofit Connector Interface for Selective Organ-Speaker Cabling
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Solution Overview
Problem
Legacy connector cables for Hammond brand organs and Leslie brand power amplifiers are cumbersome and lack the ability to disconnect specific signal types independently, as all connections are lost when the cable is disconnected.
Innovation Solution
A retrofit cabling kit with separate power, speed, and audio cables, and interface devices with multi-pin connectors and sockets, allowing for independent control and connection management, replacing the traditional single cable setup with multiple conductors for improved flexibility and functionality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a single multi-pin connector cable is used to transmit power, audio, and control signals together, then all connections are made through one cable, but disconnecting the cable loses all connections and the cable becomes large and heavy
Solution Approach 1:
The patent divides the single multi-pin connector cable into separate cables for different signal types (power cable with IEC C13/C14 connectors, audio cable with XLR connectors, control cable with 1/4" TS connectors). This segmentation allows each cable to be disconnected independently, providing connection flexibility while reducing the overall complexity and bulk of the cable system.
2Ease of manufacture
If all audio, control, and power wires are run through a single cable, then the connector design is simplified, but the cable becomes cumbersome and heavy
Solution Approach 1:
The patent separates the wires into different cables based on their function (power, audio, control). Each cable contains only the necessary conductors for its specific purpose, reducing the total amount of material in each cable and thereby reducing weight and bulk while maintaining ease of manufacture through standardized connector types.
3Ease of operation
If a single cable carries all signals, then the connection setup is simple, but it is impossible to disconnect only some connections while leaving others in place
Solution Approach 1:
The patent creates separate cables for power, audio, and control signals. This allows the user to disconnect only the necessary connections (e.g., disconnect audio while keeping power connected) while leaving other connections in place, providing partial disconnection capability while maintaining simple connection setup through standardized connectors.
4Adaptability or versatility
If legacy multi-pin connectors are used, then compatibility with legacy equipment is maintained, but the cables are large and heavy
Solution Approach 1:
The patent replaces the single legacy multi-pin connector with separate modern cables (IEC power cable, XLR audio cable, 1/4" control cable). Each separate cable is slimmer and lighter than the original multi-conductor cable, reducing volume and weight while maintaining compatibility with legacy equipment through adapter interfaces.
Data Source
AI summary
A retrofit cabling kit is suitable for use connecting an organ and a speaker, wherein the organ may be one of a Hammond® brand, model B3 or C3 organ and the speaker may be one of a Leslie® brand, model 122 or 147 speaker. The kit may include interfaces for attachment to each of the organ and the speaker and cables connecting the interfaces.