Communications: electrical – Land vehicle alarms or indicators – Internal alarm or indicator responsive to a condition of the...
Patent
1978-04-19
1979-03-20
Jackmon, Edith S.
Communications: electrical
Land vehicle alarms or indicators
Internal alarm or indicator responsive to a condition of the...
58 23R, 58 55, 58127R, 3403782, 350331, 361395, G02F 113, G04B 2900, G04C 300
Patent
active
041447050
ABSTRACT:
A timepiece circuit device including an upper frame, a lower frame and a print base board having a conductive pattern for mounting and electrically connecting a semiconductor device. At least one of said upper and lower frames is provided with a connecting portion electrically connecting electronic parts and a recess in which said electronic part is fitted and said semiconductor device is received. Said upper frame, said circuit base board and said lower frame are overlapped with each other thereby providing a circuit device having semiconductor devices capable of being miniaturized for a timepiece.
REFERENCES:
patent: 3784725 (1974-01-01), Perkins et al.
patent: 3863436 (1975-02-01), Swarzschild
patent: 3914021 (1975-10-01), Nistimura
patent: 3986335 (1976-10-01), Harper
Citizen Watch Co. Ltd.
Jackmon Edith S.
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