Bizarre Patents
Mouse device with a built-in printer
A mouse device for use as an input device of a computer is provided that includes a housing in which recording paper is loadable, and a printer unit provided within the housing for printing on the recording paper print information received from the computer.
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| Number | Title | Issue Date |
| 4232377 | Memory preservation and verification system A memory preservation and verification system is provided in which memory contents are verified as being valid following an interruption and subsequent reapplication of operating power. A backup power supply is provided to maintain the status of the memor... | 11/04/1980 |
| 4229665 | Programmable power supply system A programmable power supply system which supplies all of the power requirements of a telephone subscriber's loop circuit in a digital telephone switching system. An associated processing unit generates digital control signals to select a particular power ... | 10/21/1980 |
| 4217624 | Communications interface adapter A single circuit board, having a communication interface adapter circuit including I/O and power supply connectors, switches and indicators mounted directly thereto, is mounted to the rear panel of a first housing portion via stand-off and fasteners. The ... | 08/12/1980 |
| 4214172 | Interlock for power sources in data processing apparatus A mechanical interlock for a hand held data processing device which prevents removal of an alternate electric power source when a separate power source is disengaged from the device and the electronic circuitry powered by it. The technical problem address... | 07/22/1980 |
| 4198660 | Supply circuit A D.C. supply circuit for a television receiver which has a load circuit including at least one controllable semiconductor switch, the supply circuit comprising means for rectifying an alternating mains supply, a smoothing circuit connected between the re... | 04/15/1980 |
| 4191917 | Battery pack rechargeable in recessed or flush-type receptacles A relatively flat, rectangular, box-shaped, rechargeable, battery pack has a multi-positionable plug with prongs. The plug can be appropriately positioned for recharging the pack by insertion of the plug into either a European-type, deeply recessed recept... | 03/04/1980 |
| 4161650 | Self-powered fiber optic interconnect system A self-powered fiber optic interconnect system in which electrical output from data transmitting equipment is converted in a transmitter unit to optical signals in a fiber optic cable for transmission to a receiver unit for reconversion to electrical sign... | 07/17/1979 |
| 4142172 | Emergency power pack for vehicle trailer lights A device provided with its own power supply to be hooked up to the lighting system on a vehicle trailer, such as semi-trailers, campers, mobile homes, and the like, for the purpose of flashing all or some trailer lights on and off while the trailer might ... | 02/27/1979 |
| 4142230 | Sealed DC power converting station A sealed DC power converting station is provided with a bus bar group disposed at the central portion of the station and first and second groups of sealed controlled semiconductor switching units disposed on the opposite sides of the bus bar group. The sw... | 02/27/1979 |
| 4121115 | D. C. Power packs, inter alia of the disposable king, for providing a predetermined rated voltage A power pack for a d.c. energized device, the power pack providing a predetermined d.c. voltage and being of given shape and dimensions, its output terminals having predetermined positions. This power pack includes a casing having the given external shape... | 10/17/1978 |
| 4108341 | Carrying belt for batteries A carrier belt for electrical batteries is usable as a portable current source. The belt has a buckle, a tongue and at least one compartment on the outside thereof for receiving at least one object; the compartment includes a carrier plate attached to the... | 08/22/1978 |
| 4041364 | Electromagnetically shielded electrical converter and an improved electromagnetic shield therefor Electromagnetic interference shields are connected to electrical reference points from specially selected null or "center tap" connection points where noise voltages induced in the surface of the electromagnetic shield are substantially balanced out such ... | 08/09/1977 |
| 4010410 | Recreational vehicle converter-battery fast charging circuit A direct current power supply system for recreational vehicles having an auxiliary chargeable battery wherein a transformer powered converter is utilized to rectify alternating current into direct current, and where the circuitry includes a battery fast c... | 03/01/1977 |
| 4004208 | Starting aid and reserve light for vehicles A starting aid and reserve light for vehicles, especially cars. The starting aid comprises at least two identical secondary batteries normally connected in parallel and charged together with the starter battery, when the car is in use. However, a solid st... | 01/18/1977 |
| 4002892 | Portable calculator A portable electronic calculator is provided with a housing carrying a first printed circuit board having the operating parts mounted thereon, i.e., keyboard, electronic arithmetic unit, and multi-digit display unit. The housing is of rectangular outline ... | 01/11/1977 |
| 3963972 | Portable power package A portable power package has a supporting box provided with a cavity arranged for receiving an electrical battery such as a conventional storage battery. Pairs of jacks and switches are mounted on the box in series with the battery and in parallel with on... | 06/15/1976 |
| 3963975 | Electromagnetically shielded electrical power supply with reduced common mode electromagnetic interference output A signal pickup means is provided in a power supply having an inverter driven transformer therewithin for producing a cancellation signal substantially equal in magnitude and opposite in phase with respect to an unwanted common mode interference signal wh... | 06/15/1976 |
| 3961202 | Power supply circuit for use with an electrostatic transducer A first power supply and output circuit and a second power supply and output circuit for use with a microphone unit having an electrostatic transducer and pre-amplifier transistor is disclosed. DC power to the microphone unit is supplied from the first ci... | 06/01/1976 |
| 3939362 | Power pack with switch for plural primary-secondary connections A power pack unit includes a casing and cover and a transformer subassembly having a molded bobbin of insulating material which receives primary and secondary lugs, a selected primary and a secondary winding configuration, laminations, A.C. terminals, con... | 02/17/1976 |
