Invention Grant
- Patent Title: Turn-on method and apparatus for ultrasonic operations
- Patent Title (中): 用于超声波操作的开启方法和装置
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Application No.: US663024Application Date: 1976-03-02
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Publication No.: US4047992APublication Date: 1977-09-13
- Inventor: David Alan Williams , Karl Sperber , Calvin Owen Stoutz
- Applicant: David Alan Williams , Karl Sperber , Calvin Owen Stoutz
- Applicant Address: NY Rochester
- Assignee: Eastman Kodak Company
- Current Assignee: Eastman Kodak Company
- Current Assignee Address: NY Rochester
- Main IPC: B06B1/02
- IPC: B06B1/02 ; B29C65/00 ; B29C65/08 ; B32B5/18
Abstract:
Ultrasonic method and apparatus having improved turn-on. Low level power is furnished to an unloaded transducer to start it running at a desired frequency. High level power is then furnished the transducer for performing the ultrasonic operation while loaded. The high level power is stopped and the low level power is maintained, reduced or stopped before the load is removed.
Public/Granted literature
- US5778517A Device and method for the assembly of a sliding sunroof frame Public/Granted day:1998-07-14
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