Flickering device for telephone sets

Details Flickering device for telephone sets Flickering device for telephone sets

1989-06-01

1990-08-28

Ng, Jin F.

Telephonic communications

Supervisory or control line signaling

Signal reception at substation

379396, H04M 100

Patent

active

049532057

ABSTRACT:
A flickering device for telephone sets includes a phone housing having all the necessary elements and telephone circuits disposed therein for effecting communication operations with an open section provided in one side of the phone housing, a transparent member installed in the open section of the phone housing, a flickering circuit electrically coupled with the telephone circuits having a plurality of light-emitting elements disposed therein in conjunction with the transparent member for effecting flickering illuminations thereat, and an external power supply connected to the flickering circuit for providing the required power therefrom. Whereby, flickering illuminations will be effected along with the incoming ringing signals and the voice levels of those communicating on the related telephone set during communications.

REFERENCES:
patent: 3410964 (1968-11-01), Kelsey
patent: 3585303 (1971-06-01), Chieffo
patent: 3615162 (1969-04-01), Barber
patent: 4491696 (1985-01-01), Haskins et al.
patent: 4653094 (1987-03-01), Rasmussen et al.

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