enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. Position sensitive device - Wikipedia

    en.wikipedia.org/wiki/Position_sensitive_device

    Design of a PSD using a PIN diode. The technical term PSD was first used in a 1957 publication by J.T. Wallmark for lateral photoelectric effect used for local measurements. On a laminar semiconductor, a so-called PIN diode is exposed to a tiny spot of light. This exposure causes a change in local resistance and thus electron flow in four ...

  3. Open Location Code - Wikipedia

    en.wikipedia.org/wiki/Open_Location_Code

    Location codes created by the OLC system are referred to as "plus codes". Open Location Code is a way of encoding location into a form that is easier to use than showing coordinates in the usual form of latitude and longitude. Plus codes are designed to be used like street addresses and may be especially useful in places where there is no ...

  4. Lower Providence Township, Pennsylvania - Wikipedia

    en.wikipedia.org/wiki/Lower_Providence_Township...

    Pennsylvania Route 363 provides local access, following Trooper Road northeast from US 422, then turning northwest along Ridge Pike before turning back to the northeast along Park Avenue. SEPTA provides Suburban Bus service to Lower Providence Township along routes 91 , 93 , 99 , and 131 , connecting the township to the Norristown ...

  5. Security detail - Wikipedia

    en.wikipedia.org/wiki/Security_detail

    A security detail, often known as a PSD (protective services detail, personal security detachment, personal security detail) or PPD (personal protection detail), is a protective team assigned to protect the personal security of an individual or group. PSDs can be made up of multiple federal and state government organisations, military personnel ...

  6. Susquehanna Township, Dauphin County, Pennsylvania - Wikipedia

    en.wikipedia.org/wiki/Susquehanna_Township...

    Susquehanna Township has the postal ZIP codes 17109 and 17110, which maintain the Harrisburg place name designation. The township is a suburb of Harrisburg and is connected to Marysville by the Rockville Bridge , the world's longest stone-arch rail bridge at the time of its completion.

  7. List of Pennsylvania area codes - Wikipedia

    en.wikipedia.org/.../List_of_Pennsylvania_area_codes

    This is a list of telephone area codes of Pennsylvania. In 1947, the American Telephone and Telegraph Company divided Pennsylvania into four numbering plan areas (NPAs) and assigned distinct area codes for each. Since 1995, several relief actions in form of area code splits and overlays have expanded the list of area

  8. Community Identification Number - Wikipedia

    en.wikipedia.org/wiki/Community_Identification...

    A kommunkod (municipal code) is a numerical code given to all Swedish municipalities by the Swedish tax authorities. The code consists of four digits, the first two indicating which county the municipality is situated in, and the last two specific for the municipality. The code system was introduced with the municipal reform of 1952.

  9. List of North American Numbering Plan area codes - Wikipedia

    en.wikipedia.org/wiki/List_of_North_American...

    Each NPA is identified by one or more numbering plan area codes (NPA codes, or area codes), consisting of three digits that are prefixed to each local telephone number having seven digits. A numbering plan area with multiple area codes is called an overlay. Area codes are also assigned for non-geographic purposes.