Bizarre Patents
Pet Toilet-Like Water Disk and Food Storage
One pet-friendly inventor patented "a device for watering pets, e.g., a dog or cat." The device, he helpfully noted, "has the general shape of a toilet."
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| Number | Title | Issue Date |
| 5777261 | Assembly for attenuating emissions from portable telephones An assembly for attenuating and diverting electromagnetic, radio frequency and microwave-radiation emitted from cellular and marine band telephones, which includes a completely lined EMI/RF and microwave radiation shielded protective case to fully enclose... | 07/07/1998 |
| 5777586 | Radiation shielding and range extending antenna assembly A hand-held radio telephone for communication through an orbiting satellite is provided. An antenna assembly is fixed to the hand-held radio telephone and includes a radiation absorber defining an open curved shape in cross section, so as to define an ope... | 07/07/1998 |
| 5731964 | Electromagnetic-wave shielding device An electromagnetic-wave shielding device for shielding unnecessary electromagnetic radiation by covering a printed circuit board which generates electromagnetic waves, by a pair of box-like upper and lower shielding cases integrally connected to each othe... | 03/24/1998 |
| 5711014 | Antenna transmission coupling arrangement The present invention comprises a docking system for connecting a portable communication device to a further signal transmission line. The portable communication device has an external radiative antenna. The docking system for the portable communication d... | 01/20/1998 |
| 5694137 | Communication device antenna shield A shield for blocking radiation emanating from an antenna within a predetermined radial spectrum. The inventive device includes an arcuate shield positionable along an exterior of an antenna. A securing mechanism is coupled to the shield for securing a po... | 12/02/1997 |
| 5613221 | Radiation shield for cellular telephones A radiation shield for a hand-held cellular telephone is made up of a metal strip placed between the antenna rod of the telephone and the speaker. The strip has a flat body portion and an upper portion that is curved away from the rod. Overall length of t... | 03/18/1997 |
| 5550552 | Radiation shield A shield for selectively preventing the propagation of electromagnetic radiation away from an antenna in the direction of the human operator for a cellular telephone and a transmitter, receiver or transceiver, the shield being formed of electrically condu... | 08/27/1996 |
| 5541609 | Reduced operator emission exposure antennas for safer hand-held radios and cellular telephones An antenna for a personal communication device designed for reducing RF emissions to a user's head and body comprises a single half-wave dipole antenna element mounted on the top of a telescoping rod such that the antenna element is raised above the user'... | 07/30/1996 |
| 5535439 | Cellular telephone and marine band user's protective device An accessory for cellular telephones or marine band telephones that will afford some protection to cellular telephone and marine band telephone users from the alleged brain, head and body damage caused by electro-magnetic radiation and microwave radiation... | 07/09/1996 |
| 5530919 | Mobile communicator with means for attenuating transmitted output toward the user Disclosed herein is a mobile communicator comprising an antenna (3) built in a portable telephone body (1), and a circuit board (2) built in the communicator body (1) and provided with a ground electrode pattern (2a) arranged between an outer surface part... | 06/25/1996 |
| 5517676 | Portable radio and telephones having notches therein A portable radio and telephone equipment for transmitting and receiving an electric wave. The portable radio and telephone equipment includes: an antenna for transmitting and receiving an electromagnetic wave; a housing connected to the antenna, having a ... | 05/14/1996 |
| 5507012 | Shield apparatus for absorbing microwave energy for hand held telephones Shield apparatus for portable wireless telephones or personal communication apparatus includes electromagnetic radio frequency radiation absorption and blocking materials disposed about the antenna and any other electromagnetic transmitting portion of the... | 04/09/1996 |
| 5493702 | Antenna transmission coupling arrangement An arrangement for permitting the safe, shielded use of a hand held cellular telephone in a structure such as a building or a vehicle or airplane through the use of a dock which receives the cellular telephone and its short external antenna. The dock incl... | 02/20/1996 |
| 5493704 | Portable communications transmitter Protection means (6, 18) are associated with the radiating system (16) of a transmitter constituting a radiotelephone (4). The purpose of the protection means is to reduce the amount of radiation that is intercepted, i.e. the proportion of the emitted rad... | 02/20/1996 |
| 5444866 | Device for shielding a cellular telephone user from electromagnetic waves A device for shielding a user from electromagnetic waves emitted by a cellular telephone. The device includes a shielding member extending between the antenna of the telephone and a user and configured to encompass the antenna on three sides.... | 08/22/1995 |
| 5367309 | Cellular phone shield A shielding device used on hand-held cellular phones comprises a substantially rectangular shield which extends adjacent to the antenna. A downwardly extending slide arm portion of the shield terminates in a substantially pointed end surface formed by the... | 11/22/1994 |
| 5338896 | Shield device for cellular phones A shield device for any phone with an antenna that emits and receives microwaves, in particular cellular phones. The shield device protects a user by blocking the passage of microwaves to and from the cellular phone antenna while the phone is in use. In t... | 08/16/1994 |
| 5336896 | Cellular telephone users protective device An accessory for cellular telephones that will afford some protection to cellular telephone users from the alleged brain, head and body damage caused by the electro-magnetic radiation of cellular telephone use and to also provide a comfortable handle for ... | 08/09/1994 |
| 5335366 | Radiation shielding apparatus for a radio transmitting device A radiation shielding apparatus for a radio transmitting device, such as a cellular phone. A radiation shield is disposed between a radiation component and a user to prevent unwanted exposure of the user to emanating radiation from the radiation emanating... | 08/02/1994 |
| 5322991 | Compact hand-held RF data terminal A compact, hand-held data terminal includes a data display and an alpha-numeric keyboard and a bar code reader provision for manual data entry. The data terminal further includes an RS 232-C data interface for downloading accumulated data into a central c... | 06/21/1994 |
| 4969206 | Portable data collection device with RF transmission A portable data collection device having RF communication capabilities. This device contains circuit boards arranged in such a manner to shield the CPU board from the RF transmission components. The power source of the device is a battery pack designed to... | 11/06/1990 |
| 4740794 | Connectorless antenna coupler A metal shield is dimensioned to enclose a portion of a portable radio having an internal antenna and a first transmission line. A transmission line mounted in the shield is positioned to be adjacent to the first transmission line when the shield engages ... | 04/26/1988 |
