Telephonic communications – Supervisory or control line signaling – Substation originated
Patent
1993-11-09
1995-08-22
Hofsass, Jeffery A.
Telephonic communications
Supervisory or control line signaling
Substation originated
379362, 379456, 379369, H04M 126
Patent
active
054447755
ABSTRACT:
A locator aid for identifying and permitting the actuation of the number "9" and "1" keys of a rotary or touch telephone keyboard. Each locator includes a base which is fixedly positioned with respect to the telephone, an elongated guide strip, and an intermediate hinge connection between the base and the guide strip. Each base is positioned with respect to the telephone so its guide strip will lie in spaced relation to a finger hole of a rotary dial or in overlying relation to one of the keys of a keyboard. In a preferred construction the locator is constructed of a die cut plastic strip and includes multiple, bendable hinge joints and an adhesive fastener, which permits selective attachment of the locator to a phone body. In other constructions, the locator is integrally molded as an selectively attachable member or is molded as part of the keyboard.
REFERENCES:
patent: 1694429 (1927-08-01), Peak
patent: 2836661 (1958-05-01), Will
patent: 4012127 (1977-03-01), Bolander
patent: 4119809 (1978-10-01), Bianchini
Hofsass Jeffery A.
Shehata Magdy W.
Tschida D. L.
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