Photo interrupter and a method of manufacturing the same

Details Photo interrupter and a method of manufacturing the same Photo interrupter and a method of manufacturing the same

1994-12-27

1996-10-22

Epps, Georgia Y.

Radiant energy

Photocells; circuits and apparatus

Signal isolator

250239, 257 81, G02B 2700

Patent

active

055679536

ABSTRACT:
A photo interrupter includes a lead frame having a light-emitting element and a light-receiving element provided thereon and having a lead pattern for connecting input/output terminals of both the light-emitting element and said light-receiving element to the outside at a converged connector-jointing portion. Both the light-emitting element and the light-receiving element are provided on the common lead frame which is connected directly to a connector for connecting to the outside. A casing for holding the light-sensing parts is composed of a thermoplastic resin and provided with melt pins joining the connector and the lead frame to the casing.

REFERENCES:
patent: 4933726 (1990-06-01), Soejima et al.
patent: 5304812 (1994-04-01), Tani et al.
Patent Abstracts of Japan, E. field, vol. 13, No. 38, Jan. 27, 1989 Abstract of JP A-63236374.
Patent Abstracts of Japan, E field, vol. 13, No. 62, Feb. 13,1989 Abstract of JP A-63250182.
Patent Abstracts of Japan, E Field, vol. 10, No. 272, Sep. 16, 1986 Abstract of JP A-61093682.

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