Electrical generator or motor structure – Educational or construction units or kits
Patent
1974-11-29
1976-11-16
Budd, Mark O.
Electrical generator or motor structure
Educational or construction units or kits
H01L 4104
Patent
active
039926400
ABSTRACT:
A housing for a piezoelectric crystal comprising an outer shell, preferably formed of nylon, in which are assembled two anvils and a piezoelectric crystal. The outer shell is heated and spun over to retain the anvils and crystals within the housing. Also disclosed is a mount for retaining the housing within a photographic camera and for providing electrical connections to the crystal.
REFERENCES:
patent: 3360665 (1967-12-01), Boswell
patent: 3457461 (1969-07-01), Steinke et al.
patent: 3462234 (1969-08-01), Branson et al.
patent: 3475654 (1969-10-01), Ochia; et al.
patent: 3486075 (1969-12-01), Steinke et al.
patent: 3502913 (1970-03-01), Osada
patent: 3509388 (1970-04-01), Mifune et al.
patent: 3564341 (1971-02-01), Nishiura
patent: 3585417 (1971-06-01), Helfen
Budd Mark O.
Close T. H.
Eastman Kodak Company
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