Bizarre Patents
Pillow with retractable umbrella
A pillow assembly having a supporting assembly and a retractable umbrella assembly that is easily transportable and allows a user to support his/her head while covering their face from sunlight.
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| Number | Title | Issue Date |
| 5278690 | Apparatus and method for synchronizing a plurality of remote transmission and receiving stations and providing automatic gain control of the synchronizing signal System synchronization is achieved in a system of remote stations serving a particular cell site or base station by combining rf signals transmitted to the base station from the cell site with a reference signal to form a composite signal. This composite ... | 01/11/1994 |
| 5187805 | Telemetry, tracking and control for satellite cellular communication systems A Telemetry, Tracking and Control (TT&C) system for a satellite cellular communication system utilizing one of the user voice/data communication channels to communicate TT&C data with a satellite and through one satellite to other satellites. A Global Pos... | 02/16/1993 |
| 5095500 | Cellular radiotelephone diagnostic system A system and method of evaluating the radio coverage of a geographic area serviced by a digital cellular radiotelephone communication system is described which comprises a plurality of base stations each having a transmitter and a receiver and a plurality... | 03/10/1992 |
| 5090050 | Method and apparatus for communicating with radio telephones A radio telephone communication system is provided for communicating with radio telephones associated with a radio telephone system when the radio telephones are operating in a remote geographical area served by another radio telephone system. The radio t... | 02/18/1992 |
| 5023900 | Cellular radiotelephone diagnostic system A system and method of evaluating the radio coverage of a geographic area serviced by a digital cellular radiotelephone communication system is described which comprises a plurality of base stations each having a transmitter and a receiver and a plurality... | 06/11/1991 |
| 4977399 | Mobile radio paging test system In a ratio paging system of the type having digital data modulated onto radio signals transmitted from a radio station to receiving units at remote sites, a test system. The test system includes a transmitter test module coupled to a radio transmitter at ... | 12/11/1990 |
| 4443661 | Method of detecting troubles in a receiver for a common control channel of a mobile radio telephone communication system and a system therefor A mobile radio system having apparatus for monitoring problems in the access channel receiver of a base station. The output of the access channel receiver of a base station is linked directly, or indirectly via an access channel data receiver in a control... | 04/17/1984 |
| 4415770 | Malfunction detection system for a mobile radio telephone system A malfunction detection system sends a test calling signal to the mobile base station receiver and receives a response signal from the mobile station transmitter. A controller in the malfunction detection system monitors the access channel for proper oper... | 11/15/1983 |
| 4242538 | Radio channel control systems of mobile radio telephone systems The service area of the radio telephone system is divided into a plurality of radio zones and a base station is installed in each radio zone. The base station is connected to a control unit through a common control channel and a plurality of speech channe... | 12/30/1980 |
| 4163121 | Radio channel control system for mobile radio telephone systems In a mobile telephone system of the type in which the service area of the system is divided into a plurality of radio zones, mobile-system base stations are installed in respective radio zones, each mobile-system base station is connected to a mobile-syst... | 07/31/1979 |
