Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Communications
Class Information
Number: 331/113.1
Name: Oscillators >
Description:










Sub-classes under this class:

Class Number Class Name Patents
331/103 Tube structure forms inductive part of resonant circuit 5
331/104 Transit time oscillator 4
331/105 With parasitic oscillation control or prevention means 46
331/106 With periodoic or repetitious amplitude varying means (e.g., tremolo) 7
331/107R Solid state active element oscillator 142
331/126 Gaseous space discharge device 5
331/132 Negative resistance or negative transconductance oscillator 40
331/135 Phase shift type 186
331/138 Bridge type 12
331/143 Relaxation oscillators 416
331/154 Electromechanical resonator 222
331/165 Shock excited resonant circuit 24
331/167 L-c type oscillators 420
331/172 With synchronizing, triggering or pulsing circuits 154
331/175 Frequency stabilization 515
331/177R With frequency adjusting means 923
331/182 Amplitude control or stabilization 93
331/184 Having discharged device or particular construction 10
331/185 With particular source of power or bias voltage 409
331/187 Miscellaneous oscillator structures 47
331/1R Automatic frequency stabilization using a phase or frequency sensing means 287
331/37 Beat frequency 71
331/44 With frequency calibration or testing 376
331/45 Polyphase output 284
331/46 Plural oscillators 335
331/57 Ring oscillators 1,367
331/58 Plural functions simultaneously 4
331/59 Convertible (e.g., oscillator to amplifier, etc.) 30
331/60 Single oscillator with plural output circuits 107
331/62 With oscillator circuit protective means 22
331/63 Protective of safety devices for personnel 3
331/64 With indicator, signal, or alarm 72
331/65 With device responsive to external physical condition 394
331/67 With electromagnetic or electrostatic shield 37
331/68 With outer casing or housing 220
331/70 With temperature modifier 56
331/71 Raw a.c. used as source of power or bias 5
331/72 Electron-coupled type 0
331/74 Combined with particular output coupling network 541
331/78 Electrical noise or random wave generator 311
331/79 Beam tube 37
331/86 With magnetically controlled space discharge device (e.g., magnetron) 41
331/92 Retarding field tube-type oscillators (e.g., barkhausen kurz) 0
331/94.1 Molecular or particle resonant type (e.g., maser) 203
331/95 Butterfly resonator 0
331/96 With distributed parameter resonator 463
331/DIG.2 Phase locked loop having lock indicating or detecting means 472
331/DIG.3 Logic gate active element oscillator 116


Patents under this class:

Patent Number Title Of Patent Date Issued











 
 
  Recently Added Patents
Document layout method
Process for filtering interferograms obtained from SAR images acquired on the same area
Semiconductor device and method of manufacturing the same
Method for cutting C--Mn steel with a fiber laser
Functionalized main chain polymers
Techniques for generating and displaying a visual flow of user content through a social network
Isolation rings for blocking the interface between package components and the respective molding compound
  Randomly Featured Patents
Servo-assisted master cylinder assemblies
Portable pipe bending machine with electromechanical control
System and method for dynamic adjustment of filtering in an alarm system
Method and apparatus for determining compatibility of parent classes in an object oriented environment using versioning
Superplug vehicle door module
Medical digital ultrasonic imaging apparatus capable of storing and reusing radio-frequency (RF) ultrasound pulse echoes
Precompaction belt
Powder transport, fusing and imaging apparatus
Electrostatic discharge conducting pathway having a noise filter spark gap
Head mounted work light