Characteristics adjusting means of physical quantity sensing device and thermal type air flow measuring instrument

A physical quantity detecting device, comprising:

• a detecting element for detecting a physical quantity;
• an electric circuit controlling said detecting element and outputting a signal in response to said control through an output terminal;
• an input terminal inputting an adjusting signal for adjusting said electric circuit;
• a housing containing said electric circuit;
• and
• a wall protruding outwards from said housing and surrounding said output terminal, said input terminal being located in a hole provided in said housing.

A physical quantity detecting device, comprising:

• a detecting element for detecting a physical quantity;
• an electric circuit electrically connected to said detecting element, processing a signal from said detecting element and outputting a signal through an output terminal, said output terminal being connected to an external unit when detecting a physical quantity;
• an input terminal electrically connected to said electric circuit and inputting an adjusting signal for adjusting said electric circuit, said input terminal being connected to an external unit when adjusting said electric circuit;
• a housing enclosing therein said electric circuit;
• and
• a wall disposed outside said housing, extending from one end thereof at said housing to another end opposite to said one end and surrounding said output terminal, said input terminal being located in a hole provided in said housing.

A physical quantity detecting device, comprising:

• a detecting element for detecting a physical quantity;
• an electric circuit electrically connected to said detecting element, controlling said detecting element and outputting a signal in response to said control through an output terminal, said output terminal being connected to an external unit when detecting a physical quantity;
• an input terminal electrically connected to said electrical circuit and inputting an adjusting signal for adjusting said electric circuit, said input terminal being connected to an external unit when adjusting said electric circuit;
• a housing enclosing therein said electric circuit;
• and
• a wall disposed outside said housing, extending from one end thereof at a side of said housing to another end opposite to said one end and surrounding said output terminal and said input terminal, said input terminal being located in a hole provided in said housing.

A physical quantity detecting device, comprising:

• a detecting element for detecting a physical quantity;
• an electric circuit electrically connected to said detecting element, processing a signal from said detecting element and outputting a signal through an output terminal, said output terminal being connected to an external unit when detecting a physical quantity;
• an input terminal electrically connected to said electric circuit and inputting an adjusting signal for adjusting said electric circuit, said input terminal being connected to an external unit when adjusting said electric circuit;
• and
• a connector provided with a power supply terminal and/or a ground terminal of said electronic circuit,
• wherein said input terminal is provided inside said connector, said input terminal being located in a hole provided in said connector.

A physical quantity detecting device, comprising:

• a detecting element for detecting a physical quantity;
• an electric circuit electrically connected to said detecting element, controlling said detecting element and outputting a signal corresponding to a controlled quantity;
• an input terminal electrically connected to said electric circuit and inputting an adjusting signal for adjusting said electric circuit, said input terminal being connected to an external unit when adjusting said electric circuit;
• and
• a connector provided with a power supply terminal and/or a ground terminal of said electronic circuit,
• wherein said input terminal is provided inside said connector, said input terminal being located in a hole provided in said connector.

A physical quantity sensing device comprising:

• a sensing element for detecting a physical quantity and an electronic circuit electrically connected to said sensing element for processing said detected physical quantity and outputting an output signal corresponding to said physical quantity;
• an adjusting terminal and a connector terminal, wherein via the adjusting terminal output characteristics of the physical quantity sensing device are adjusted and the connector terminal is adapted to transmit said output signal to an external device, and;
• an adjusting circuit provided in the electronic circuit for performing adjustment of output characteristics of the physical quantity sensing device, wherein the adjusting circuit is electrically connected to the adjusting terminal,
• characterized in that the connector terminal and the adjusting terminal are provided inside a connector housing being provided outside of a housing in which the electronic circuit is provided, said adjusting terminal being located in a hole provided on the bottom of the connector housing.

A physical quantity detecting device, comprising:

• a detecting element for detecting a physical quantity;
• an electrical circuit processing a signal from said detecting element and outputting a signal through an output terminal;
• and
• an input terminal inputting an adjusting signal for adjusting said electric circuit,
• wherein said input terminal is isolated from an external material by a covering or coating material or adhesive after adjusting said electric circuit.