Telecommunications – Receiver or analog modulated signal frequency converter – Signal selection based on frequency
Patent
1996-06-14
1999-01-26
Crosland, Donnie L.
Telecommunications
Receiver or analog modulated signal frequency converter
Signal selection based on frequency
4551542, 34082522, H04B 118
Patent
active
058647511
ABSTRACT:
A novel apparatus is provided for facilitating the transfer of signals from a computer for the external setting of reception frequency parameters and other operating conditions of a radio receiver having a memory which is programmable according to data in the form of an electric pulse signal. The apparatus includes an interface circuit operatively coupled between the computer and the memory of the receiver. The interface circuit converts respective signal levels of the data into the electric pulse signals enabling data transfer and communication between the computer and the memory of the receiver. An improved flat-type, reversible connector is used between the interface circuit and the receiver. The connector has upper and lower surface portions, and is operatively coupled to a receptacle in the receiver. The connector has pairs of vertical connector conductors, each individual vertical conductor of each pair being connected to each other, within the respective surface portions and are arranged so that the mutually connected pair of conductors are positioned at both sides of a center conductor. The receptacle has contacts adapted to simultaneously contact the conductors on either of the surface portions of the connector, respectively. The contacts of the receptacle are connected in the same manner as the conductors of the connector, wherein the connector can be inserted into and connected to the receptacle in a reversible manner.
REFERENCES:
patent: 4753515 (1988-06-01), Sato et al.
patent: 5163161 (1992-11-01), Bowles et al.
patent: 5398276 (1995-03-01), Lemke et al.
patent: 5451839 (1995-09-01), Rappaport
Crosland Donnie L.
General Research of Electronics Inc.
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