Canadian Patent Classes

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Class 345 Electrical optical devices
cpcdescription
345/1(1) Imaging
345/2(1) Imaging (2) Amplifying
345/3(1) Imaging (2) Amplifying (3) With Electron Space discharge
345/4(1) Imaging (4) With Display Means
345/5(5) Display Means
345/6(5) Display Means (6) With Storage (E.g., Electrochromic Means)
345/7(5) Display Means (7) With Radiation Responsive Means
345/8(5) Display Means (8) Electro, Magneto or Thermal Optical
345/9(5) Display Means (9) Semiconductor
345/10(10) Laser-Gyrometers, Or Ring Lasers
345/11(11) Parametric, Frequency Converter, Mixer Or Non Linear Devices
345/12(12) Amplifiers
345/13(13) Radiation Responsive
345/14(13) Radiation Responsive (14) Flame or Infra-Red
345/15(13) Radiation Responsive (15) Scanning, Displacement or With Movement
345/16(13) Radiation Responsive (16) With Radiation Emissive Means
345/17(13) Radiation Responsive (16) With Radiation Emissive Means (17) Materials
345/18(13) Radiation Responsive (18) Plural Devices or Elements
345/19(13) Radiation Responsive (19) Photoemissive
345/20(13) Radiation Responsive (19) Photoemissive (20) With Secondary Emission or Electron Multiplication
345/21(13) Radiation Responsive (19) Photoemissive (21) Materials
345/22(13) Radiation Responsive (22) Photovoltaic or Solar Cells
345/23(13) Radiation Responsive (22) Photovoltaic or Solar Cells (23) Materials
345/24(13) Radiation Responsive (24) Switch, Charge or Ferroelectric Devices
345/25(13) Radiation Responsive (25) Electrolytic or Fluid
345/26(13) Radiation Responsive (26) Semiconductor (e.g., Photodiodes)
345/27(13) Radiation Responsive (26) Semiconductor (e.g., Photodiodes) (27) Materials
345/28(13) Radiation Responsive (28) Materials
345/29(29) Radiation Or Electroluminescent Sources
345/30(29) Radiation Or Electroluminescent Sources (30) Coherent
345/31(29) Radiation Or Electroluminescent Sources (30) Coherent (31) Multiple Lasers or Lasing Elements
345/31.1(29) Radiation Or Electroluminescent Sources (30) Coherent (31.1) Chemically Pumped Lasers
345/32(29) Radiation Or Electroluminescent Sources (30) Coherent (32) Semiconductor Lasers
345/33(29) Radiation Or Electroluminescent Sources (30) Coherent (32) Semiconductor Lasers (33) Materials
345/34(29) Radiation Or Electroluminescent Sources (30) Coherent (34) Gas or Fluid Lasers
345/35(29) Radiation Or Electroluminescent Sources (30) Coherent (34) Gas or Fluid Lasers (35) Magnetic Field Dependent
345/36(29) Radiation Or Electroluminescent Sources (30) Coherent (34) Gas or Fluid Lasers (36) Fluid Supply or Flow Means
345/37(29) Radiation Or Electroluminescent Sources (30) Coherent (34) Gas or Fluid Lasers (37) Plural Gases or Fluids
345/38(29) Radiation Or Electroluminescent Sources (30) Coherent (34) Gas or Fluid Lasers (38) Pumping Means
345/39(29) Radiation Or Electroluminescent Sources (30) Coherent (34) Gas or Fluid Lasers (39) Mode Control or Tuning
345/40(29) Radiation Or Electroluminescent Sources (30) Coherent (40) Q Switching or Power Maximization
345/41(29) Radiation Or Electroluminescent Sources (30) Coherent (41) Cooling Means
345/42(29) Radiation Or Electroluminescent Sources (30) Coherent (42) Pumping Means
345/43(29) Radiation Or Electroluminescent Sources (30) Coherent (43) Materials
345/44(29) Radiation Or Electroluminescent Sources (30) Coherent (43) Materials (44) Refractive Index
345/45(29) Radiation Or Electroluminescent Sources (30) Coherent (43) Materials (45) Neodymium, Nd
345/46(29) Radiation Or Electroluminescent Sources (30) Coherent (46) Mode Control or Tuning
345/47(29) Radiation Or Electroluminescent Sources (30) Coherent (46) Mode Control or Tuning (47) Modulation Control
345/48(29) Radiation Or Electroluminescent Sources (30) Coherent (46) Mode Control or Tuning (47) Modulation Control (48) Deflection or Scanning
345/49(29) Radiation Or Electroluminescent Sources (49) Flexible
345/50(29) Radiation Or Electroluminescent Sources (50) Semiconductor (e.g. Light Emitting Diode)
345/51(29) Radiation Or Electroluminescent Sources (50) Semiconductor (e.g. Light Emitting Diode) (51) Materials
345/52(29) Radiation Or Electroluminescent Sources (50) Semiconductor (e.g. Light Emitting Diode) (51) Materials (52) Zinc, Cadmium or Group II B
345/53(29) Radiation Or Electroluminescent Sources (53) Materials
345/54(29) Radiation Or Electroluminescent Sources (53) Materials (54) Phosphor Embedded in Dielectric
345/55(55) Modulation Control (E.G., Electrochromic Means)
345/56(55) Modulation Control (E.G., Electrochromic Means) (56) Beam Director, Deflector or Gate
345/57(55) Modulation Control (E.G., Electrochromic Means) (56) Beam Director, Deflector or Gate (57) Acoustical or With Movement
345/58(55) Modulation Control (E.G., Electrochromic Means) (58) Acoustical or With Movement
345/59(55) Modulation Control (E.G., Electrochromic Means) (59) Liquid or Kerr Cell
345/60(55) Modulation Control (E.G., Electrochromic Means) (60) Controlling or Dependent on Polarization
345/61(61) Manufacturing Apparatus
345/62(62) Miscellaneous (E.G., Enclosures And Mountings)