Communications: electrical – Systems – Nonselective paging
Patent
1986-03-06
1987-03-31
Caldwell, Sr., John W.
Communications: electrical
Systems
Nonselective paging
24 3L, 224269, H04Q 130
Patent
active
046546316
ABSTRACT:
A pocket clip suitable for attaching a personal paging receiver to an article of clothing has an integral character display. The pocket clip has a rigid lower housing part, and a plastic upper housing part containing the display and a circuit board with display decoder/driver circuitry. A conductive elastomer electrically connects the circuit board to the display while a flex circuit connects the circuit board to the paper. Bayonet tabs on the lower housing mate with slots in the upper housing to slideably connect the upper and lower housing parts. In one embodiment, the pressure necessary to clamp an article of clothing between the pocket clip and the pager is generated by a pawl, pivotally attached to the clip, with compressed springs positioned between the pawl and the clip. In another embodiment, the clamping pressure is generated by a torsion spring. An optional integral switch is also described. The switch button, or a plastic cap, provide an interference fit such that when installed the upper housing part cannot be slideably detached from the lower housing part.
REFERENCES:
patent: 3668528 (1972-06-01), Hutchinson et al.
patent: 3693089 (1972-09-01), Hutchinson et al.
patent: 3956701 (1976-05-01), James et al.
patent: 4031468 (1977-06-01), Ziebell et al.
patent: 4313119 (1982-01-01), Garay et al.
patent: 4536925 (1985-08-01), Boothe et al.
patent: 4578739 (1986-03-01), McKee et al.
Kurcbart Roberto
Scheid William J.
Caldwell Sr. John W.
Downey Joseph T.
McKinley Martin J.
Motorola Inc.
Nichols Daniel K.
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