Electricity: circuit makers and breakers – Combined with or actuated by connector coupling – Multiple coupling
Patent
1997-04-18
1998-10-06
Walczak, David J.
Electricity: circuit makers and breakers
Combined with or actuated by connector coupling
Multiple coupling
200 5105, 200275, 200246, H01R 1900
Patent
active
058180001
ABSTRACT:
A three-way switch for individually connecting either a dummy load, a first antenna, or a second antenna to a radio transmitter power amplifier output. The switch includes a first member connected to a dummy load and a second flexible member fixed in position relative to the first member and biased against the first member so as to make an electrical connection between the first and second member. The second member is connected to the radio transmitter output and includes two contact areas for connecting to a first and a second antenna. When a first antenna is applied against the first contact area, the transmitter is disconnected from the dummy load and only the first antenna is connected to the transmitter output. When a second antenna is applied to the second contact area the flexible member of the switch disconnects from the first antenna and only the second antenna is connected to the transmitter output.
REFERENCES:
patent: 5239145 (1993-08-01), Kusakabe
patent: 5685418 (1997-11-01), Chong et al.
patent: 5693924 (1997-12-01), Fetterolf, Sr. et al.
Ma Yawei
Zhou Xue-Song
Ericsson Inc.
Walczak David J.
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