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Browse by Category: Main > Communications
Class Information
Number: 455/351
Name: Telecommunications > Receiver or analog modulated signal frequency converter > Cabinet, housing, or chassis structure > Transportable
Description: Subject matter wherein the receiver is of such size and shape as to be readily carried by or supported by a person.










Patents under this class:
1 2 3 4 5 6 7 8 9 10

Patent Number Title Of Patent Date Issued
4607395 Helmet radio control package Aug. 19, 1986
4590614 Dipole antenna for portable radio May. 20, 1986
4586827 Information system May. 6, 1986
4584718 Waterproof enclosure for portable radio or tape player Apr. 22, 1986
4584709 Homotropic antenna system for portable radio Apr. 22, 1986
4578739 Quick disconnect and function change radio assembly Mar. 25, 1986
4577195 Miniaturized mobile radio receiver with dipole antenna Mar. 18, 1986
4571740 Recreation apparatus Feb. 18, 1986
4558396 Display device for portable type electrical equipment Dec. 10, 1985
4539708 Ear radio Sep. 3, 1985
4539700 Personal portable audio device Sep. 3, 1985
4536925 Belt clip assembly with a controlled failure mode Aug. 27, 1985
4534063 Paging receiver and supporting receptacle therefor Aug. 6, 1985
4525872 Amplifier Jun. 25, 1985
4524461 Helmet-supported radio transceiver and broadcast receiver system Jun. 18, 1985
4503563 Electrical device in a buoyant, watertight housing Mar. 5, 1985
4491978 Portable radio receiver with high antenna gain Jan. 1, 1985
4485946 Belt holder for portable radio apparatus Dec. 4, 1984
4483683 Ski tow signal assembly Nov. 20, 1984
4480253 Wrist watch weather radio Oct. 30, 1984
4471493 Wireless telephone extension unit with self-contained dipole antenna Sep. 11, 1984
4465907 Headset receiver and sanitizing storage system therefor Aug. 14, 1984
4456797 Submersible personal stereo system Jun. 26, 1984
4455682 Superregenerative radio receiver Jun. 19, 1984
4445228 Motorcycle audio system Apr. 24, 1984
4443668 Earplug mounting device with audio passageway Apr. 17, 1984
4434509 Transistorized radio receiver combination with male power input and female power output connections Feb. 28, 1984
4419770 Wrist AM radio receiver Dec. 6, 1983
4410890 VHF Directional receiver Oct. 18, 1983
4380759 Apparatus to alert a deaf person Apr. 19, 1983
4377003 Testing device for electronic circuits and especially for portable radios Mar. 15, 1983
4369521 Radio receiving apparatus using headphone connector cable as an antenna Jan. 18, 1983
4357711 Two way radio safety helmet Nov. 2, 1982
4352961 Transparent flat panel piezoelectric speaker Oct. 5, 1982
4340972 Transmitter/receiver teaching apparatus Jul. 20, 1982
4334315 Wireless transmitting and receiving systems including ear microphones Jun. 8, 1982
4325142 Portable radio set with a carrying holder Apr. 13, 1982
4321433 Waterproof helmet encasing electronic components Mar. 23, 1982
4320387 Information communicating apparatus and method Mar. 16, 1982
4299344 Mount for portable radio communication unit Nov. 10, 1981
4296408 Location transmitting system Oct. 20, 1981
4286335 Coaxial dual antenna connection arrangement for communications apparatus Aug. 25, 1981
4283796 Portable device with housing for battery and plug-in module Aug. 11, 1981
4279342 Lunch box employing a built-in radio receiver Jul. 21, 1981
4270225 Electrical apparatus comprising a reversible front plate May. 26, 1981
4257121 Portable transceiver Mar. 17, 1981
4233686 Radio tuner for coupling with tape recorder Nov. 11, 1980
4227258 Housing for a hand held transmitter-receiver Oct. 7, 1980
4225965 Wrist-mounted communication device Sep. 30, 1980
4225970 Splash proof portable two-way data terminal/radio Sep. 30, 1980

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