Bizarre Patents
A self defense weapon formed as a memo pad and which is easily held by a person's fingers, therefore making it possible to provide protection from a mugger and also to quickly and easily write a record or a message without failure of missing or forgetting significant information under a stressful situation.
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| Number | Title | Issue Date |
| 4535333 | Transmitter and receiver for controlling remote elements Transmitters and receivers for controlling remote elements which use a synchronous serial transmission format and which allows changes in coding to be automatically made between the receiver and transmitter and wherein the code is stored in memories of th... | 08/13/1985 |
| 4482895 | Multi-channel micropower communication link A remote controlling apparatus comprising a transmitter including a pulse generating circuit the output of which is a plurality of pulses of radiant energy having an envelope of a selected pulse width and a selected pulse interval and a receiver including... | 11/13/1984 |
| 4365250 | Garage door operation control apparatus A garage door operation control apparatus includes a door operating system for opening and closing the main door of a garage, a main detection circuit for detecting the open or closed condition of the main door, an auxiliary detection circuit for detectin... | 12/21/1982 |
| 4305060 | Decoder circuitry for selectively activating loads A decoder circuit for selectively activating external loads which finds particular utility in automatic garage door operators. The coincidence of a repeatedly received digital word code with an internally generated local code results in a matched signal, ... | 12/08/1981 |
| 4286262 | Electronic transmitter device A system for opening garage doors in which a radio receiver in the garage, upon receipt of a signal, operates to open the garage door and in which a casing containing a radio transmitter is adapted for insertion into the socket of a cigarette lighter in t... | 08/25/1981 |
| 4074269 | Burglar alarm for use with an automatic garage door opener A burglar alarm generator is electrically connected to a conventional remote control automatic garage door opener to provide a visual and/or audible signal to deter potential burglars from the residence. The alarm generator (such as a siren or the like ca... | 02/14/1978 |
