Telephone magnifier attachment

Details Telephone magnifier attachment Telephone magnifier attachment

1988-08-15

1989-07-11

Ng, Jin F.

Telephonic communications

Terminal accessory or auxiliary equipment

Attachable to terminal housing

350243, 379441, H04R 121, G02B 702

Patent

active

048479012

ABSTRACT:
An attachment for a telephone comprises a block in the form of a wedge for securing two lenses to the rear surface of the telephone handset. The lenses are arranged such that the user of the handset can look through one of the lenses when the handset is held in either hand.

REFERENCES:
patent: 1508434 (1924-09-01), Ayres
patent: 1762809 (1930-06-01), Bradford
patent: 1971519 (1934-08-01), Bradford
patent: 2991334 (1961-07-01), Wandel
patent: 3651285 (1972-03-01), Tomaiuolo
patent: 4354063 (1982-10-01), Kuka
patent: 4764958 (1988-08-01), Grant

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