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Class Information
Number: 219/121.62
Name: Electric heating > Metal heating (e.g., resistance heating) > By arc > Using laser > Beam energy control > Condition responsive
Description: Subject matter which controls the beam energy in response to a detected condition (e.g., reflected radiation).
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4675498 |
Apparatus and method for coding objects |
Jun. 23, 1987 |
| 4672215 |
Hand held laser bar code reader with safety shutoff responsive to housing motion detector |
Jun. 9, 1987 |
| 4649256 |
High-frequency electric resistance welding method using irradiation with a laser beam |
Mar. 10, 1987 |
| 4644948 |
Apparatus for dose measurement upon photocoagulation in the fundus of the eye |
Feb. 24, 1987 |
| 4638145 |
Laser machining apparatus |
Jan. 20, 1987 |
| 4588885 |
Method of and apparatus for the removal of paint and the like from a substrate |
May. 13, 1986 |
| 4574176 |
Method and apparatus for pulsed high energy density welding |
Mar. 4, 1986 |
| 4564012 |
Laser surgical equipment |
Jan. 14, 1986 |
| 4561440 |
Apparatus for laser light medical treatment |
Dec. 31, 1985 |
| 4556875 |
Irradiated power monitoring system for optical fiber |
Dec. 3, 1985 |
| 4555610 |
Laser machining system |
Nov. 26, 1985 |
| 4545018 |
Calibration of automated laser machining apparatus |
Oct. 1, 1985 |
| 4543486 |
Method and apparatus for using a photoacoustic effect for controlling various processes utilizing laser and ion beams, and the like |
Sep. 24, 1985 |
| 4507536 |
Beam-machining method and apparatus |
Mar. 26, 1985 |
| 4504727 |
Laser drilling system utilizing photoacoustic feedback |
Mar. 12, 1985 |
| 4476374 |
Rotary indexing laser mirror apparatus |
Oct. 9, 1984 |
| 4443684 |
CO.sub.2 Laser machining apparatus |
Apr. 17, 1984 |
| 4419562 |
Nondestructive real-time method for monitoring the quality of a weld |
Dec. 6, 1983 |
| 4399345 |
Laser trimming of circuit elements on semiconductive substrates |
Aug. 16, 1983 |
| 4387983 |
Scan type image recording apparatus |
Jun. 14, 1983 |
| 4375025 |
Laser strip marker |
Feb. 22, 1983 |
| 4358659 |
Method and apparatus for focusing a laser beam on an integrated circuit |
Nov. 9, 1982 |
| 4338508 |
Inscribing apparatus and methods |
Jul. 6, 1982 |
| 4324973 |
Energy beam drilling apparatus having optical fiber link position sensor |
Apr. 13, 1982 |
| 4316467 |
Control for laser hemangioma treatment system |
Feb. 23, 1982 |
| 4316074 |
Method and apparatus for laser irradiating semiconductor material |
Feb. 16, 1982 |
| 4311142 |
Device for detecting a leak of laser |
Jan. 19, 1982 |
| 4304981 |
Method for identifying or marking panels and strips |
Dec. 8, 1981 |
| 4297559 |
Apparatus for controlled perforation of moving webs with fixed focus laser beam |
Oct. 27, 1981 |
| 4284872 |
Method for thermal testing and compensation of integrated circuits |
Aug. 18, 1981 |
| 4276463 |
Laser powered solid fuel disintegrator |
Jun. 30, 1981 |
| 4259563 |
Method for dynamically tuning a seismic transducer |
Mar. 31, 1981 |
| 4240448 |
Apparatus for increasing the permeability of wrapping material for rod-shaped smokers' products |
Dec. 23, 1980 |
| 4240431 |
Laser knife |
Dec. 23, 1980 |
| 4215694 |
Laser therapy apparatus |
Aug. 5, 1980 |
| 4182024 |
Automatic control of integrated circuit trimming |
Jan. 8, 1980 |
| 4177372 |
Method and apparatus for laser zone melting |
Dec. 4, 1979 |
| 4164640 |
Method and apparatus for positioning a charged particle beam |
Aug. 14, 1979 |
| 4150278 |
Methods of tuning inductive device by beam-machine altering a central air gap thereof |
Apr. 17, 1979 |
| 4149064 |
Method and apparatus for adjusting electrical networks consisting of synthetic foils |
Apr. 10, 1979 |
| 4127762 |
Method for controlling and stabilizing fusion depth in electron-beam welding and device for effecting same |
Nov. 28, 1978 |
| 4125755 |
Laser welding |
Nov. 14, 1978 |
| 4121087 |
Method and apparatus for controlling laser welding |
Oct. 17, 1978 |
| 4114018 |
Method for ablating metal workpieces with laser radiation |
Sep. 12, 1978 |
| 4087672 |
Laser removal of material from workpieces |
May. 2, 1978 |
| 4060707 |
Balancing device and method for a rotating body |
Nov. 29, 1977 |
| 4027137 |
Laser drilling nozzle |
May. 31, 1977 |
| 4021898 |
Method of adjusting the frequency of vibration of piezoelectric resonators |
May. 10, 1977 |
| 3986391 |
Method and apparatus for the real-time monitoring of a continuous weld using stress-wave emission techniques |
Oct. 19, 1976 |
| 3943529 |
Control of scanning laser beam |
Mar. 9, 1976 |
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