{
  "$type": "site.standard.document",
  "description": "An angular rate sensor for a vibration body comprising means for detecting a level of vibrations of a vibration body, detecting means for detecting a Coriolis' force produced in proportion to an angular rate, a current amplifier for amplifying an output signal of said means of detecting a level of…",
  "path": "/patents/1089411",
  "publishedAt": "2004-03-03T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G01C19/5607",
    "MATSUSHITA ELECTRIC INDUSTRIAL CO LTD [JP]"
  ],
  "textContent": "An angular rate sensor for a vibration body comprising means for detecting a level of vibrations of a vibration body, detecting means for detecting a Coriolis' force produced in proportion to an angular rate, a current amplifier for amplifying an output signal of said means of detecting a level of vibrations, a full-wave rectifier circuit for producing a D.C. voltage by rectifying an output signal of a band-pass filter, wherein an output signal of said current amplifier is input, a charge amplifier for inputting and amplifying a signal detected by said detecting means for detecting a Coriolis' force, a synchronous detection circuit for detecting an output signal of a band-pass filter, wherein an output signal of said charge amplifier is input, a sensor output terminal for outputting an output signal of a low-pass filter, wherein an output signal of said synchronous detection circuit is input, a determination circuit for inputting the output signal of said full-wave rectifier circuit and an output signal of said charge amplifier, and for making a determination of abnormality, and an output clamping circuit having a transistor connected to a sensor output terminal, said output clamping circuit activated by an output signal of said determination circuit, if said determination circuit makes a determination of abnormality, said transistor is forward-biased and said output clamping circuit clamps the output signal of said sensor output terminal at a level close to a power supply voltage.",
  "title": "Angular velocity sensor"
}