Telephone answering apparatus with solid state and dynamic tape storage

作者: Karl H. Krapp , Heinz Molleken , Hubert Hannig

DOI:

关键词:

摘要: A telephone has a built-in answering device comprising an outgoing message store and control system programmable by pushbuttons for controlling the operational condition sequence of device. The advantages are compactness ease operation.

参考文章(9)
Chernack M Philip, Zimmet Arthur L, Telephone answering device with solenoid coupler ,(1969)
Sheldon Lee Pastor, Dan J. Argento, Voice logging recorder for use with preloaded cassettes ,(1975)
Peter F. Theis, Gregory D. Buchberger, Conversational telephone call distributor ,(1978)
Deventer Harry R Van, Bailey Paul C, Shively John J, Telephone answering and recording devices ,(1952)
L Prohofsky, Volatile memory protection ,(1972)
Curtis Roger C, Jones Lloyd R, Di Mattia Alfred L, Roberts Frederick W, Failure detecting and indicating means for sound recording systems ,(1959)