Dentistry – Apparatus – Having means to emit radiation or facilitate viewing of the...
Patent
1988-02-11
1989-06-20
Wilson, John J.
Dentistry
Apparatus
Having means to emit radiation or facilitate viewing of the...
433119, 433 98, 174 36, A61C 300
Patent
active
048405639
ABSTRACT:
Dental equipment having means for delivering RF and LF energy to a dental handpiece. Given a supply of RF energy, the dental equipment transmits a further energy that is significantly lower-frequency in comparison to the RF energy or a DC voltage for supplying a lamp located in the handpiece without disturbing influences. A common transmission cable is provided for the transmission of the RF energy and of the energy for the lamp, this common transmission cable contains an inner conductor and a shielded line arranged coaxially relative thereto and has a third conductor for transmission of the energy for the lamp. This third conductor is arranged relative to the shielded line such that a high capacitive coupling exists between shielded line and third conductor.
REFERENCES:
patent: 3076904 (1963-02-01), Kleesattel et al.
patent: 3594491 (1971-07-01), Zeidlhack
patent: 3809977 (1974-05-01), Balamuth et al.
patent: 3930173 (1975-12-01), Banko
patent: 4156869 (1979-05-01), Schukantz
patent: 4578033 (1986-03-01), Mossle et al.
patent: 4641110 (1987-02-01), Smith
Brochure labeled "Sirotom".
Siemens Aktiengesellschaft
Wilson John J.
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