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US3708618A Expired / Lapsed US ⏱️ 0.0 years remaining

Modular television receiver

Assignee: Motorola Solutions Inc
•
Filing: 1971-01-22
•
Granted: 1973-01-02
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Expires: 1991-01-22
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Abstract

Abstract The electrical components of a television receiver are assembled in a plurality of modules. Each module is coupled into the set by means of connectors so that it may be easily removed and replaced if required. Substantially all of the modules are assembled in a single chassis in the form of a drawer which can be moved to a forward position extending outside of the front of the television cabinet for easy access to each module.

Inventors

  • 👤 R Hofmeister
  • 👤 T Steele
  • 👤 F Goetz

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 16:36
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/64; H04N5/655

Claims Analysis

Total Claims: 6
Claim 1
Independent Claim 594 words
A television receiver including in combination: a cabinet with a removable rear closure panel and a front panel having first and second adjacent openings therein with a picture tube mounted in said first opening; a first electronic chassis positioned adjacent said picture tube and having a front portion with a control panel attached thereto, said first electronic chassis having an operating position with said control panel being positioned within said second opening whereby said control panel and said picture tube occupy the major portion of said front panel, said first electronic chassis being slidably mounted in said cabinet whereby said control panel and said first electronic chassis can be moved through said second opening to a forward position to expose said electronic chassis for work thereon without removing said rear closure panel; wiring means including a wiring harness coupled to said first electronic chassis and movable therewith, whereby the television receiver is operable with said first electronic chassis in said forward position, said wiring harness extending throughout said first electronic chassis and having a plurality of wires therein; a plurality of first connectors, each forming one-half of a pin and pin-receiving connector set, separately positioned in openings in said first electronic chassis with each first connector being electrically connected to particular ones of said plurality of wires; a plurality of electronic modules at least some of which include printed wiring boards with electronic components mounted thereon positioned within said first electronic chassis with each of said modules having at least one second connector, forming the other half of a pin and pin-receiving connector set, mounted therEon for mating engagement with a predetermined one of said first connectors, said first and second connectors being positioned on said first electronic chassis and on said electronic modules so that each of said first connectors engages a separate one of said second connectors to permit removal of said electronic modules from said first electronic chassis without disconnecting any of said plurality of wires; said first electronic chassis including openings adjacent at least a portion of said printed wiring boards mounted thereon so that both sides of said printed wiring boards are accessible for maintenance with said first electronic chassis in said forward position; means for pivotally mounting one of said plurality of electronic modules on said first electronic chassis so that said pivotally mounted module may be swung to an open position to provide access to others of said plurality of electronic modules, said pivotally mounted module further being operable in said open position; power interlock means; a first power line connected to the said power interlock means and adapted to receive electric power for operation of the receiver; and power line connector means connected to the wiring harness for connecting said power interlock means with said wiring harness with the first electronic chassis in said operating position so that a continuous electrical connection extends from said first power line through said power interlock and said power line connector means to said wiring harness, said power interlock means being responsive to movement of said first electronic chassis to said forward position to break said electrical connection between said power interlock means and said power line connector means, said power line connector means being positioned on said electronic chassis so that said power line connector means is exposed with said electronic chassis in said forward position to permit connection of a second power line thereto without removal of said rear closure panel to provide operating power to said wiring harness with said first electronic chassis in said forward position.
Claim 2
Dependent Claim 594 words
A television receiver including in combination: a cabinet with a removable rear closure panel and a front panel having first and second adjacent openings therein with a picture tube mounted in said first opening; a first electronic chassis positioned adjacent said picture tube and having a front portion with a control panel attached thereto, said first electronic chassis having an operating position with said control panel being positioned within said second opening whereby said control panel and said picture tube occupy the major portion of said front panel, said first electronic chassis being slidably mounted in said cabinet whereby said control panel and said first electronic chassis can be moved through said second opening to a forward position to expose said electronic chassis for work thereon without removing said rear closure panel; wiring means including a wiring harness coupled to said first electronic chassis and movable therewith, whereby the television receiver is operable with said first electronic chassis in said forward position, said wiring harness extending throughout said first electronic chassis and having a plurality of wires therein; a plurality of first connectors, each forming one-half of a pin and pin-receiving connector set, separately positioned in openings in said first electronic chassis with each first connector being electrically connected to particular ones of said plurality of wires; a plurality of electronic modules at least some of which include printed wiring boards with electronic components mounted thereon positioned within said first electronic chassis with each of said modules having at least one second connector, forming the other half of a pin and pin-receiving connector set, mounted therEon for mating engagement with a predetermined one of said first connectors, said first and second connectors being positioned on said first electronic chassis and on said electronic modules so that each of said first connectors engages a separate one of said second connectors to permit removal of said electronic modules from said first electronic chassis without disconnecting any of said plurality of wires; said first electronic chassis including openings adjacent at least a portion of said printed wiring boards mounted thereon so that both sides of said printed wiring boards are accessible for maintenance with said first electronic chassis in said forward position; means for pivotally mounting one of said plurality of electronic modules on said first electronic chassis so that said pivotally mounted module may be swung to an open position to provide access to others of said plurality of electronic modules, said pivotally mounted module further being operable in said open position; power interlock means; a first power line connected to the said power interlock means and adapted to receive electric power for operation of the receiver; and power line connector means connected to the wiring harness for connecting said power interlock means with said wiring harness with the first electronic chassis in said operating position so that a continuous electrical connection extends from said first power line through said power interlock and said power line connector means to said wiring harness, said power interlock means being responsive to movement of said first electronic chassis to said forward position to break said electrical connection between said power interlock means and said power line connector means, said power line connector means being positioned on said electronic chassis so that said power line connector means is exposed with said electronic chassis in said forward position to permit connection of a second power line thereto without removal of said rear closure panel to provide operating power to said wiring harness with said first electronic chassis in said forward position.
Claim 3
Dependent Claim 112 words
The television receiver of claim 1 wherein, said first electronic chassis includes a top rail and a bottom rail mounted on the top and bottom of said first electronic chassis respectively, said television cabinet having a bottom rail mounted at the bottom of said second opening and extending rearwards of said second opening and a top rail mounted at the top of said second opening and extending rearwards of said second opening, said top and bottom rails of said first electronic chassis engaging said top and bottom rails of said first electronic chassis whereby said first electronic chassis is slidably movable through said second opening between said operating and said forward positions.
Claim 4
Dependent Claim 82 words
The television receiver of claim 1 wherein, said first electronic chassis is made of metal and has a plurality of first openings therein for receiving said first connectors, said first electronic chassis further having at least one second opening therein positioned adjacent one of said plurality of first openings, said second opening providing means for soldering a grounding wire from said first connector adjacent thereto said first electronic chassis and to protect said first connector from excessive heat during said soldering operation.
Claim 5
Dependent Claim 59 words
The television receiver of claim 1 further including a second electronic chassis mounted in the cabinet behind said picture tube, said second electronic chassis including a mounting surface; first and second transformers mounted on said mounting surface of said second electronic chassis; and means for coupling said wiring harness further to said second electronic chassis and said picture tube.
Claim 6
Dependent Claim 125 words
The television receiver of claim 4 wherein said mounting surface of said second electronic chassis has first and second sides thereon, and wherein said first and second transformers each have a pair of mounting brackets; said first transformer having at lEast one screw securing each of said pair of mounting brackets thereon to said first side of said mounting surface, said mounting surface having an opening therein positioned under said first transformer, said second transformer being mounted on said second side of said mounting surface with one of said mounting brackets thereon inserted through said opening and held in place by said first transformer, the other of said mounting brackets of said second transformer being secured to said mounting surface by at least one screw.

References Cited (Backward Citations)

US2752413A Cited
US2691724A Cited
US2898585A Cited
US2888308A Cited
US2994807A Cited
US3048747A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1976-01-02 1976-07-03 1977-01-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-01-02 1980-07-03 1981-01-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-01-02 1984-07-03 1985-01-02 $7700.00 Window Closed / Lapsed

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